Features: 2.4G BT Wireless Technology. It ensures the stable connection and free you from the twisting cables. Wireless receiver, can be received within 10 meters. 3 adjustable DPI(800/1600/2400DPI), easy to switch, accurate positioning, to meet your daily office and entertainment needs. Design with 5 RGB backlit light modes, multiple colors change automatically, highlights the atmosphere of gaming especially at night. Plug and play. No drivers required, just plug USB receiver into USB port of the device, easy to use. Built-in 600mAh rechargeable battery, no need to change or charge frequently. Specification: Brand/Model: HXSJ/T30 Color Classification: Black / Grey color Rate of return: 125HZ Movement speed: 28IPS Refresh rate: 3000FPS Acceleration: 10G DPI800/1600/2400dpi Wireless technology: 2.4GHz Wireless distance: 10m Material: ABS Battery capacity: 600mAh (Rechargeable battery) Number of keys: 7 keys Interface type: Micro USB Work: Photo electricity Charging cable length: 80cm Button click life: 10 Million times switch Rated voltage / current: 3.7V/20mA Product weight: 107g Product size: 12.8 x7.8 x 3.8cm Packing weight: 178g/6.2oz Packing size: 14.8x10x5cm/5.8x4x2in Packing List: 1 x Mouse 1 x USB Receiver 1 x English User Manual 1 x Micro USB charging cable